Level Editor version 2 is now released! New Stuff:

Lighting

• Control how much light the level has
• Add torches, lanterns and custom lights
• Can change colour, intensity, size and flicker of custom lights

Particle Effect Block

• Create custom effects
• Lots of sliders to play around with

Note Block

• Plays a note when touched
• Can change pitch

More

• Invisible blocks, slopes and slabs.
• Dead bushes, brown mushrooms and triangle arrows

General improvements

• Some improved art
• Pressing middle mouse eyedrops the block your mouse is over.
• New setting for lighting quality
• More stuff that I forgot

Bug fixes, performance improvements

Enjoy!

P.S. I already have some ideas for the next update. Stay tuned - by subscribing to my YouTube channel ;)